What is an instrument used for measuring air pressure?
barometer
These are the lowest clouds in the atmosphere. They usually show up in flat layers. They are low and dark clouds that can block out the sun and produce rain.
Stratus
How does evaporation affect the weather?
by increasing water vapor
_________ is an electrical discharge that happens between a positively charged area and a negatively charged area.
lightning
What is the best way to measure the precipitation of a climate?
Review the pattern of precipitation for the year
What are the four main types of precipitation?
Snow, rain, hail, sleet.
True or false.....Clouds affect different climates by determining the amount of precipitation an area receives.
True
How does condensation affect the weather?
by forming clouds and fog
Hot air rising from the ground in a cumulonimbus cloud, creating a funnel, causes which weather system?
tornado
Which has a more moderate temperature: land near water or land away from water?
land near water
What do meteorologists use to measure relative humidity?
psychrometer
How can we see clouds?
We can see clouds because the water or ice reflects light.
How does precipitation affect the weather?
by bringing water to the ground in many forms
Rising warm air, creating an updraft, causes which weather system?
thunderstorm
What is #5 in the picture below?
Rainshadow
The relative humidity is the amount of _______ in the air when compared to the water vapor needed to reach ________
Water vapor, saturation
What are clouds?
Clouds are collections of water droplets in the air. They can also have ice instead of water drops.
Where do the jet streams occur?
between boundaries of wind systems
Hot water rising from the tropical oceans in a cumulonimbus cloud causes which weather system? As the earth spins, the clouds will also spin. With enough warm water, the spinning will continue, causing winds to increase and this weather system to form.
hurricane
Give two ways that nature affects the global climate.
One way is volcanos, and how they have all of the dust particles. Also, El Nino and El Nina affect the equator.
In order to measure wind’s speed, scientists use a(n) _____________.
anemometer
To form a cloud, first air needs to cool to the________. This typically happens high in the atmosphere. Second, there must be a _________ on which water molecules
Dew point, Solid surface
Which wind system causes most of the weather movement across the United States?
the prevailing westerlies
The storms that start a hurricane need to form over which type of water?
warm ocean waters
In this zone, there are the subclimates of steppes, the Mediterranean, the humid continental, and the humid subtropical. This zone has an average temperature range of 50-64*F. This zone has mild temperatures.
temperate zone